If you're a regular SonicState.com viewer, you will have seen this broadcast yesterday. If not, you can catch it on YouTube. The Wahoo is discussed from around 2:00:
http://www.youtube.com/watch?v=nxqTSjQC ... ature=plcp
This is the demo Gaz mentions:
http://www.youtube.com/watch?v=loaL8p3rKr0